3887361 has 6 divisors (see below), whose sum is σ = 5615090. Its totient is φ = 2591568.

The previous prime is 3887357. The next prime is 3887383. The reversal of 3887361 is 1637883.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 1115136 = 1665^2 + 1056^2 .

It is not a de Polignac number, because 3887361 - 2² = 3887357 is a prime.

It is a super-2 number, since 2×3887361² = 30223151088642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3887311) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 215956 + ... + 215973.

Almost surely, 2^3887361 is an apocalyptic number.

It is an amenable number.

3887361 is a deficient number, since it is larger than the sum of its proper divisors (1727729).

3887361 is a wasteful number, since it uses less digits than its factorization.

3887361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431935 (or 431932 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 3887361 is about 1971.6391657705. The cubic root of 3887361 is about 157.2358687065.

It can be divided in two parts, 3 and 887361, that added together give a square (887364 = 942²).

The spelling of 3887361 in words is "three million, eight hundred eighty-seven thousand, three hundred sixty-one".